Home / 191,392.27-287,088.50-86,088.22

Finding the Fourth Proportional to 191,392.27, 287,088.50 and 86,088.22

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Solution

The fourth proportional to 191,392.27, 287,088.50 and 86,088.22 is: 129,132.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,392.27 : 287,088.50 = 86,088.22 : x
  2. Step 2: Convert to fraction form
    191,392.27/287,088.50 = 86,088.22/x
  3. Step 3: Cross multiply
    191,392.27x = 287,088.50 × 86,088.22
  4. Step 4: Simplify right side
    191,392.27x = 24,714,937,444.97
  5. Step 5: Solve for x
    x = 24,714,937,444.97/191,392.27
  6. Step 6: Final answer
    x = 129,132.37

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1.5x scale

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.