Home / 112,284.95-154,950.91-61,298.69

Finding the Fourth Proportional to 112,284.95, 154,950.91 and 61,298.69

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Solution

The fourth proportional to 112,284.95, 154,950.91 and 61,298.69 is: 84,590.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,284.95 : 154,950.91 = 61,298.69 : x
  2. Step 2: Convert to fraction form
    112,284.95/154,950.91 = 61,298.69/x
  3. Step 3: Cross multiply
    112,284.95x = 154,950.91 × 61,298.69
  4. Step 4: Simplify right side
    112,284.95x = 9,498,286,869.31
  5. Step 5: Solve for x
    x = 9,498,286,869.31/112,284.95
  6. Step 6: Final answer
    x = 84,590.92

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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.