Home / 338,246.40-507,329.28-88,947.84

Finding the Fourth Proportional to 338,246.40, 507,329.28 and 88,947.84

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Solution

The fourth proportional to 338,246.40, 507,329.28 and 88,947.84 is: 133,411.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,246.40 : 507,329.28 = 88,947.84 : x
  2. Step 2: Convert to fraction form
    338,246.40/507,329.28 = 88,947.84/x
  3. Step 3: Cross multiply
    338,246.40x = 507,329.28 × 88,947.84
  4. Step 4: Simplify right side
    338,246.40x = 45,125,843,624.76
  5. Step 5: Solve for x
    x = 45,125,843,624.76/338,246.40
  6. Step 6: Final answer
    x = 133,411.16

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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.