Home / 249,165.20-373,704.60-91,312.40

Finding the Fourth Proportional to 249,165.20, 373,704.60 and 91,312.40

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Solution

The fourth proportional to 249,165.20, 373,704.60 and 91,312.40 is: 136,952.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,165.20 : 373,704.60 = 91,312.40 : x
  2. Step 2: Convert to fraction form
    249,165.20/373,704.60 = 91,312.40/x
  3. Step 3: Cross multiply
    249,165.20x = 373,704.60 × 91,312.40
  4. Step 4: Simplify right side
    249,165.20x = 34,123,863,917.04
  5. Step 5: Solve for x
    x = 34,123,863,917.04/249,165.20
  6. Step 6: Final answer
    x = 136,952.77

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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.