Home / 191,532.04-287,421.98-86,344.60

Finding the Fourth Proportional to 191,532.04, 287,421.98 and 86,344.60

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Solution

The fourth proportional to 191,532.04, 287,421.98 and 86,344.60 is: 129,572.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,532.04 : 287,421.98 = 86,344.60 : x
  2. Step 2: Convert to fraction form
    191,532.04/287,421.98 = 86,344.60/x
  3. Step 3: Cross multiply
    191,532.04x = 287,421.98 × 86,344.60
  4. Step 4: Simplify right side
    191,532.04x = 24,817,335,894.31
  5. Step 5: Solve for x
    x = 24,817,335,894.31/191,532.04
  6. Step 6: Final answer
    x = 129,572.76

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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.