Home / 249,989.56-344,985.35-141,116.78

Finding the Fourth Proportional to 249,989.56, 344,985.35 and 141,116.78

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Solution

The fourth proportional to 249,989.56, 344,985.35 and 141,116.78 is: 194,741.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,989.56 : 344,985.35 = 141,116.78 : x
  2. Step 2: Convert to fraction form
    249,989.56/344,985.35 = 141,116.78/x
  3. Step 3: Cross multiply
    249,989.56x = 344,985.35 × 141,116.78
  4. Step 4: Simplify right side
    249,989.56x = 48,683,221,896.05
  5. Step 5: Solve for x
    x = 48,683,221,896.05/249,989.56
  6. Step 6: Final answer
    x = 194,741.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.