Home / 249,534.80-374,302.20-91,730.60

Finding the Fourth Proportional to 249,534.80, 374,302.20 and 91,730.60

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Solution

The fourth proportional to 249,534.80, 374,302.20 and 91,730.60 is: 137,595.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,534.80 : 374,302.20 = 91,730.60 : x
  2. Step 2: Convert to fraction form
    249,534.80/374,302.20 = 91,730.60/x
  3. Step 3: Cross multiply
    249,534.80x = 374,302.20 × 91,730.60
  4. Step 4: Simplify right side
    249,534.80x = 34,334,965,387.32
  5. Step 5: Solve for x
    x = 34,334,965,387.32/249,534.80
  6. Step 6: Final answer
    x = 137,595.90

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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.