Home / 249,357.08-374,084.40-91,586.72

Finding the Fourth Proportional to 249,357.08, 374,084.40 and 91,586.72

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Solution

The fourth proportional to 249,357.08, 374,084.40 and 91,586.72 is: 137,398.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,357.08 : 374,084.40 = 91,586.72 : x
  2. Step 2: Convert to fraction form
    249,357.08/374,084.40 = 91,586.72/x
  3. Step 3: Cross multiply
    249,357.08x = 374,084.40 × 91,586.72
  4. Step 4: Simplify right side
    249,357.08x = 34,261,163,199.17
  5. Step 5: Solve for x
    x = 34,261,163,199.17/249,357.08
  6. Step 6: Final answer
    x = 137,398.00

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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.