Home / 157,023.60-235,632.27-72,768.06

Finding the Fourth Proportional to 157,023.60, 235,632.27 and 72,768.06

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Solution

The fourth proportional to 157,023.60, 235,632.27 and 72,768.06 is: 109,196.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,023.60 : 235,632.27 = 72,768.06 : x
  2. Step 2: Convert to fraction form
    157,023.60/235,632.27 = 72,768.06/x
  3. Step 3: Cross multiply
    157,023.60x = 235,632.27 × 72,768.06
  4. Step 4: Simplify right side
    157,023.60x = 17,146,502,488.84
  5. Step 5: Solve for x
    x = 17,146,502,488.84/157,023.60
  6. Step 6: Final answer
    x = 109,196.98

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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.