Home / 158,187.24-218,298.36-86,567.22

Finding the Fourth Proportional to 158,187.24, 218,298.36 and 86,567.22

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Solution

The fourth proportional to 158,187.24, 218,298.36 and 86,567.22 is: 119,462.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,187.24 : 218,298.36 = 86,567.22 : x
  2. Step 2: Convert to fraction form
    158,187.24/218,298.36 = 86,567.22/x
  3. Step 3: Cross multiply
    158,187.24x = 218,298.36 × 86,567.22
  4. Step 4: Simplify right side
    158,187.24x = 18,897,482,155.76
  5. Step 5: Solve for x
    x = 18,897,482,155.76/158,187.24
  6. Step 6: Final answer
    x = 119,462.75

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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.