Home / 141,831.10-212,746.65-42,006.70

Finding the Fourth Proportional to 141,831.10, 212,746.65 and 42,006.70

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Solution

The fourth proportional to 141,831.10, 212,746.65 and 42,006.70 is: 63,010.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,831.10 : 212,746.65 = 42,006.70 : x
  2. Step 2: Convert to fraction form
    141,831.10/212,746.65 = 42,006.70/x
  3. Step 3: Cross multiply
    141,831.10x = 212,746.65 × 42,006.70
  4. Step 4: Simplify right side
    141,831.10x = 8,936,784,702.56
  5. Step 5: Solve for x
    x = 8,936,784,702.56/141,831.10
  6. Step 6: Final answer
    x = 63,010.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.