Home / 112,373.04-155,082.96-64,641.36

Finding the Fourth Proportional to 112,373.04, 155,082.96 and 64,641.36

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Solution

The fourth proportional to 112,373.04, 155,082.96 and 64,641.36 is: 89,209.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,373.04 : 155,082.96 = 64,641.36 : x
  2. Step 2: Convert to fraction form
    112,373.04/155,082.96 = 64,641.36/x
  3. Step 3: Cross multiply
    112,373.04x = 155,082.96 × 64,641.36
  4. Step 4: Simplify right side
    112,373.04x = 10,024,773,447.23
  5. Step 5: Solve for x
    x = 10,024,773,447.23/112,373.04
  6. Step 6: Final answer
    x = 89,209.77

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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.