Home / 157,139.22-235,576.80-127,483.50

Finding the Fourth Proportional to 157,139.22, 235,576.80 and 127,483.50

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Solution

The fourth proportional to 157,139.22, 235,576.80 and 127,483.50 is: 191,118.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,139.22 : 235,576.80 = 127,483.50 : x
  2. Step 2: Convert to fraction form
    157,139.22/235,576.80 = 127,483.50/x
  3. Step 3: Cross multiply
    157,139.22x = 235,576.80 × 127,483.50
  4. Step 4: Simplify right side
    157,139.22x = 30,032,154,982.80
  5. Step 5: Solve for x
    x = 30,032,154,982.80/157,139.22
  6. Step 6: Final answer
    x = 191,118.14

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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.