Home / 143,178.04-197,684.52-89,487.16

Finding the Fourth Proportional to 143,178.04, 197,684.52 and 89,487.16

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Solution

The fourth proportional to 143,178.04, 197,684.52 and 89,487.16 is: 123,554.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,178.04 : 197,684.52 = 89,487.16 : x
  2. Step 2: Convert to fraction form
    143,178.04/197,684.52 = 89,487.16/x
  3. Step 3: Cross multiply
    143,178.04x = 197,684.52 × 89,487.16
  4. Step 4: Simplify right side
    143,178.04x = 17,690,226,270.76
  5. Step 5: Solve for x
    x = 17,690,226,270.76/143,178.04
  6. Step 6: Final answer
    x = 123,554.05

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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.