Home / 249,675.90-374,562.45-72,188.70

Finding the Fourth Proportional to 249,675.90, 374,562.45 and 72,188.70

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Solution

The fourth proportional to 249,675.90, 374,562.45 and 72,188.70 is: 108,297.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,675.90 : 374,562.45 = 72,188.70 : x
  2. Step 2: Convert to fraction form
    249,675.90/374,562.45 = 72,188.70/x
  3. Step 3: Cross multiply
    249,675.90x = 374,562.45 × 72,188.70
  4. Step 4: Simplify right side
    249,675.90x = 27,039,176,334.32
  5. Step 5: Solve for x
    x = 27,039,176,334.32/249,675.90
  6. Step 6: Final answer
    x = 108,297.10

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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.