Home / 136,177.74-204,053.08-86,152.18

Finding the Fourth Proportional to 136,177.74, 204,053.08 and 86,152.18

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Solution

The fourth proportional to 136,177.74, 204,053.08 and 86,152.18 is: 129,093.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,177.74 : 204,053.08 = 86,152.18 : x
  2. Step 2: Convert to fraction form
    136,177.74/204,053.08 = 86,152.18/x
  3. Step 3: Cross multiply
    136,177.74x = 204,053.08 × 86,152.18
  4. Step 4: Simplify right side
    136,177.74x = 17,579,617,677.71
  5. Step 5: Solve for x
    x = 17,579,617,677.71/136,177.74
  6. Step 6: Final answer
    x = 129,093.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.