Home / 157,710.20-236,603.02-52,530.08

Finding the Fourth Proportional to 157,710.20, 236,603.02 and 52,530.08

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Solution

The fourth proportional to 157,710.20, 236,603.02 and 52,530.08 is: 78,807.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,710.20 : 236,603.02 = 52,530.08 : x
  2. Step 2: Convert to fraction form
    157,710.20/236,603.02 = 52,530.08/x
  3. Step 3: Cross multiply
    157,710.20x = 236,603.02 × 52,530.08
  4. Step 4: Simplify right side
    157,710.20x = 12,428,775,568.84
  5. Step 5: Solve for x
    x = 12,428,775,568.84/157,710.20
  6. Step 6: Final answer
    x = 78,807.68

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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.