Home / 316,411.16-436,560.93-180,395.51

Finding the Fourth Proportional to 316,411.16, 436,560.93 and 180,395.51

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Solution

The fourth proportional to 316,411.16, 436,560.93 and 180,395.51 is: 248,896.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,411.16 : 436,560.93 = 180,395.51 : x
  2. Step 2: Convert to fraction form
    316,411.16/436,560.93 = 180,395.51/x
  3. Step 3: Cross multiply
    316,411.16x = 436,560.93 × 180,395.51
  4. Step 4: Simplify right side
    316,411.16x = 78,753,631,613.42
  5. Step 5: Solve for x
    x = 78,753,631,613.42/316,411.16
  6. Step 6: Final answer
    x = 248,896.50

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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.