Home / 105,931.17-146,187.31-58,187.14

Finding the Fourth Proportional to 105,931.17, 146,187.31 and 58,187.14

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Solution

The fourth proportional to 105,931.17, 146,187.31 and 58,187.14 is: 80,299.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,931.17 : 146,187.31 = 58,187.14 : x
  2. Step 2: Convert to fraction form
    105,931.17/146,187.31 = 58,187.14/x
  3. Step 3: Cross multiply
    105,931.17x = 146,187.31 × 58,187.14
  4. Step 4: Simplify right side
    105,931.17x = 8,506,221,473.19
  5. Step 5: Solve for x
    x = 8,506,221,473.19/105,931.17
  6. Step 6: Final answer
    x = 80,299.51

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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.