Home / 157,000.80-235,155.60-109,999.20

Finding the Fourth Proportional to 157,000.80, 235,155.60 and 109,999.20

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Solution

The fourth proportional to 157,000.80, 235,155.60 and 109,999.20 is: 164,756.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,000.80 : 235,155.60 = 109,999.20 : x
  2. Step 2: Convert to fraction form
    157,000.80/235,155.60 = 109,999.20/x
  3. Step 3: Cross multiply
    157,000.80x = 235,155.60 × 109,999.20
  4. Step 4: Simplify right side
    157,000.80x = 25,866,927,875.52
  5. Step 5: Solve for x
    x = 25,866,927,875.52/157,000.80
  6. Step 6: Final answer
    x = 164,756.66

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1.5x scale

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.