Home / 118,036.14-162,925.47-77,206.74

Finding the Fourth Proportional to 118,036.14, 162,925.47 and 77,206.74

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Solution

The fourth proportional to 118,036.14, 162,925.47 and 77,206.74 is: 106,568.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,036.14 : 162,925.47 = 77,206.74 : x
  2. Step 2: Convert to fraction form
    118,036.14/162,925.47 = 77,206.74/x
  3. Step 3: Cross multiply
    118,036.14x = 162,925.47 × 77,206.74
  4. Step 4: Simplify right side
    118,036.14x = 12,578,944,401.67
  5. Step 5: Solve for x
    x = 12,578,944,401.67/118,036.14
  6. Step 6: Final answer
    x = 106,568.58

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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.