Home / 249,701.90-374,601.45-72,214.70

Finding the Fourth Proportional to 249,701.90, 374,601.45 and 72,214.70

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Solution

The fourth proportional to 249,701.90, 374,601.45 and 72,214.70 is: 108,336.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,701.90 : 374,601.45 = 72,214.70 : x
  2. Step 2: Convert to fraction form
    249,701.90/374,601.45 = 72,214.70/x
  3. Step 3: Cross multiply
    249,701.90x = 374,601.45 × 72,214.70
  4. Step 4: Simplify right side
    249,701.90x = 27,051,731,331.32
  5. Step 5: Solve for x
    x = 27,051,731,331.32/249,701.90
  6. Step 6: Final answer
    x = 108,336.11

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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.