Home / 191,534.04-287,424.98-86,346.60

Finding the Fourth Proportional to 191,534.04, 287,424.98 and 86,346.60

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Solution

The fourth proportional to 191,534.04, 287,424.98 and 86,346.60 is: 129,575.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,534.04 : 287,424.98 = 86,346.60 : x
  2. Step 2: Convert to fraction form
    191,534.04/287,424.98 = 86,346.60/x
  3. Step 3: Cross multiply
    191,534.04x = 287,424.98 × 86,346.60
  4. Step 4: Simplify right side
    191,534.04x = 24,818,169,778.07
  5. Step 5: Solve for x
    x = 24,818,169,778.07/191,534.04
  6. Step 6: Final answer
    x = 129,575.77

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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.