Home / 249,221.38-373,739.73-89,272.40

Finding the Fourth Proportional to 249,221.38, 373,739.73 and 89,272.40

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Solution

The fourth proportional to 249,221.38, 373,739.73 and 89,272.40 is: 133,875.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,221.38 : 373,739.73 = 89,272.40 : x
  2. Step 2: Convert to fraction form
    249,221.38/373,739.73 = 89,272.40/x
  3. Step 3: Cross multiply
    249,221.38x = 373,739.73 × 89,272.40
  4. Step 4: Simplify right side
    249,221.38x = 33,364,642,672.45
  5. Step 5: Solve for x
    x = 33,364,642,672.45/249,221.38
  6. Step 6: Final answer
    x = 133,875.52

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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.