Home / 158,237.49-218,370.14-86,624.17

Finding the Fourth Proportional to 158,237.49, 218,370.14 and 86,624.17

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Solution

The fourth proportional to 158,237.49, 218,370.14 and 86,624.17 is: 119,542.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,237.49 : 218,370.14 = 86,624.17 : x
  2. Step 2: Convert to fraction form
    158,237.49/218,370.14 = 86,624.17/x
  3. Step 3: Cross multiply
    158,237.49x = 218,370.14 × 86,624.17
  4. Step 4: Simplify right side
    158,237.49x = 18,916,132,130.28
  5. Step 5: Solve for x
    x = 18,916,132,130.28/158,237.49
  6. Step 6: Final answer
    x = 119,542.67

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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.