Home / 249,633.56-374,376.36-72,142.16

Finding the Fourth Proportional to 249,633.56, 374,376.36 and 72,142.16

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Solution

The fourth proportional to 249,633.56, 374,376.36 and 72,142.16 is: 108,191.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,633.56 : 374,376.36 = 72,142.16 : x
  2. Step 2: Convert to fraction form
    249,633.56/374,376.36 = 72,142.16/x
  3. Step 3: Cross multiply
    249,633.56x = 374,376.36 × 72,142.16
  4. Step 4: Simplify right side
    249,633.56x = 27,008,319,263.34
  5. Step 5: Solve for x
    x = 27,008,319,263.34/249,633.56
  6. Step 6: Final answer
    x = 108,191.86

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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.