Home / 156,971.40-235,127.70-123,533.52

Finding the Fourth Proportional to 156,971.40, 235,127.70 and 123,533.52

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Solution

The fourth proportional to 156,971.40, 235,127.70 and 123,533.52 is: 185,041.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,971.40 : 235,127.70 = 123,533.52 : x
  2. Step 2: Convert to fraction form
    156,971.40/235,127.70 = 123,533.52/x
  3. Step 3: Cross multiply
    156,971.40x = 235,127.70 × 123,533.52
  4. Step 4: Simplify right side
    156,971.40x = 29,046,152,430.50
  5. Step 5: Solve for x
    x = 29,046,152,430.50/156,971.40
  6. Step 6: Final answer
    x = 185,041.05

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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.