Home / 158,326.08-218,488.32-86,706.24

Finding the Fourth Proportional to 158,326.08, 218,488.32 and 86,706.24

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Solution

The fourth proportional to 158,326.08, 218,488.32 and 86,706.24 is: 119,653.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,326.08 : 218,488.32 = 86,706.24 : x
  2. Step 2: Convert to fraction form
    158,326.08/218,488.32 = 86,706.24/x
  3. Step 3: Cross multiply
    158,326.08x = 218,488.32 × 86,706.24
  4. Step 4: Simplify right side
    158,326.08x = 18,944,300,711.12
  5. Step 5: Solve for x
    x = 18,944,300,711.12/158,326.08
  6. Step 6: Final answer
    x = 119,653.70

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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.