Home / 156,740.70-235,111.05-134,190.30

Finding the Fourth Proportional to 156,740.70, 235,111.05 and 134,190.30

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Solution

The fourth proportional to 156,740.70, 235,111.05 and 134,190.30 is: 201,285.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,740.70 : 235,111.05 = 134,190.30 : x
  2. Step 2: Convert to fraction form
    156,740.70/235,111.05 = 134,190.30/x
  3. Step 3: Cross multiply
    156,740.70x = 235,111.05 × 134,190.30
  4. Step 4: Simplify right side
    156,740.70x = 31,549,622,332.82
  5. Step 5: Solve for x
    x = 31,549,622,332.82/156,740.70
  6. Step 6: Final answer
    x = 201,285.45

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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.