Home / 147,313.38-203,316.93-86,898.87

Finding the Fourth Proportional to 147,313.38, 203,316.93 and 86,898.87

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Solution

The fourth proportional to 147,313.38, 203,316.93 and 86,898.87 is: 119,934.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,313.38 : 203,316.93 = 86,898.87 : x
  2. Step 2: Convert to fraction form
    147,313.38/203,316.93 = 86,898.87/x
  3. Step 3: Cross multiply
    147,313.38x = 203,316.93 × 86,898.87
  4. Step 4: Simplify right side
    147,313.38x = 17,668,011,759.91
  5. Step 5: Solve for x
    x = 17,668,011,759.91/147,313.38
  6. Step 6: Final answer
    x = 119,934.87

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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.