Home / 191,730.04-287,400.22-79,471.32

Finding the Fourth Proportional to 191,730.04, 287,400.22 and 79,471.32

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Solution

The fourth proportional to 191,730.04, 287,400.22 and 79,471.32 is: 119,126.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,730.04 : 287,400.22 = 79,471.32 : x
  2. Step 2: Convert to fraction form
    191,730.04/287,400.22 = 79,471.32/x
  3. Step 3: Cross multiply
    191,730.04x = 287,400.22 × 79,471.32
  4. Step 4: Simplify right side
    191,730.04x = 22,840,074,851.69
  5. Step 5: Solve for x
    x = 22,840,074,851.69/191,730.04
  6. Step 6: Final answer
    x = 119,126.22

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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.