Home / 107,153.60-147,875.48-59,411.40

Finding the Fourth Proportional to 107,153.60, 147,875.48 and 59,411.40

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Solution

The fourth proportional to 107,153.60, 147,875.48 and 59,411.40 is: 81,989.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,153.60 : 147,875.48 = 59,411.40 : x
  2. Step 2: Convert to fraction form
    107,153.60/147,875.48 = 59,411.40/x
  3. Step 3: Cross multiply
    107,153.60x = 147,875.48 × 59,411.40
  4. Step 4: Simplify right side
    107,153.60x = 8,785,489,292.47
  5. Step 5: Solve for x
    x = 8,785,489,292.47/107,153.60
  6. Step 6: Final answer
    x = 81,989.68

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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.