Home / 316,395.16-436,619.48-173,152.32

Finding the Fourth Proportional to 316,395.16, 436,619.48 and 173,152.32

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Solution

The fourth proportional to 316,395.16, 436,619.48 and 173,152.32 is: 238,947.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,395.16 : 436,619.48 = 173,152.32 : x
  2. Step 2: Convert to fraction form
    316,395.16/436,619.48 = 173,152.32/x
  3. Step 3: Cross multiply
    316,395.16x = 436,619.48 × 173,152.32
  4. Step 4: Simplify right side
    316,395.16x = 75,601,675,919.19
  5. Step 5: Solve for x
    x = 75,601,675,919.19/316,395.16
  6. Step 6: Final answer
    x = 238,947.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.