Home / 158,159.02-218,262.18-86,545.30

Finding the Fourth Proportional to 158,159.02, 218,262.18 and 86,545.30

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Solution

The fourth proportional to 158,159.02, 218,262.18 and 86,545.30 is: 119,434.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,159.02 : 218,262.18 = 86,545.30 : x
  2. Step 2: Convert to fraction form
    158,159.02/218,262.18 = 86,545.30/x
  3. Step 3: Cross multiply
    158,159.02x = 218,262.18 × 86,545.30
  4. Step 4: Simplify right side
    158,159.02x = 18,889,565,846.75
  5. Step 5: Solve for x
    x = 18,889,565,846.75/158,159.02
  6. Step 6: Final answer
    x = 119,434.01

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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.