Home / 249,741.90-374,661.45-72,254.70

Finding the Fourth Proportional to 249,741.90, 374,661.45 and 72,254.70

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Solution

The fourth proportional to 249,741.90, 374,661.45 and 72,254.70 is: 108,396.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,741.90 : 374,661.45 = 72,254.70 : x
  2. Step 2: Convert to fraction form
    249,741.90/374,661.45 = 72,254.70/x
  3. Step 3: Cross multiply
    249,741.90x = 374,661.45 × 72,254.70
  4. Step 4: Simplify right side
    249,741.90x = 27,071,050,671.32
  5. Step 5: Solve for x
    x = 27,071,050,671.32/249,741.90
  6. Step 6: Final answer
    x = 108,396.11

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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.