Home / 157,331.50-235,855.52-57,421.58

Finding the Fourth Proportional to 157,331.50, 235,855.52 and 57,421.58

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Solution

The fourth proportional to 157,331.50, 235,855.52 and 57,421.58 is: 86,080.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,331.50 : 235,855.52 = 57,421.58 : x
  2. Step 2: Convert to fraction form
    157,331.50/235,855.52 = 57,421.58/x
  3. Step 3: Cross multiply
    157,331.50x = 235,855.52 × 57,421.58
  4. Step 4: Simplify right side
    157,331.50x = 13,543,196,610.12
  5. Step 5: Solve for x
    x = 13,543,196,610.12/157,331.50
  6. Step 6: Final answer
    x = 86,080.64

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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.