Home / 158,057.26-218,118.98-86,437.34

Finding the Fourth Proportional to 158,057.26, 218,118.98 and 86,437.34

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Solution

The fourth proportional to 158,057.26, 218,118.98 and 86,437.34 is: 119,283.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,057.26 : 218,118.98 = 86,437.34 : x
  2. Step 2: Convert to fraction form
    158,057.26/218,118.98 = 86,437.34/x
  3. Step 3: Cross multiply
    158,057.26x = 218,118.98 × 86,437.34
  4. Step 4: Simplify right side
    158,057.26x = 18,853,624,434.71
  5. Step 5: Solve for x
    x = 18,853,624,434.71/158,057.26
  6. Step 6: Final answer
    x = 119,283.51

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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.