Home / 316,386.15-436,607.06-173,143.32

Finding the Fourth Proportional to 316,386.15, 436,607.06 and 173,143.32

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Solution

The fourth proportional to 316,386.15, 436,607.06 and 173,143.32 is: 238,934.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,386.15 : 436,607.06 = 173,143.32 : x
  2. Step 2: Convert to fraction form
    316,386.15/436,607.06 = 173,143.32/x
  3. Step 3: Cross multiply
    316,386.15x = 436,607.06 × 173,143.32
  4. Step 4: Simplify right side
    316,386.15x = 75,595,595,038.12
  5. Step 5: Solve for x
    x = 75,595,595,038.12/316,386.15
  6. Step 6: Final answer
    x = 238,934.59

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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.