Home / 101,307.10-152,521.64-89,528.50

Finding the Fourth Proportional to 101,307.10, 152,521.64 and 89,528.50

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Solution

The fourth proportional to 101,307.10, 152,521.64 and 89,528.50 is: 134,788.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,307.10 : 152,521.64 = 89,528.50 : x
  2. Step 2: Convert to fraction form
    101,307.10/152,521.64 = 89,528.50/x
  3. Step 3: Cross multiply
    101,307.10x = 152,521.64 × 89,528.50
  4. Step 4: Simplify right side
    101,307.10x = 13,655,033,646.74
  5. Step 5: Solve for x
    x = 13,655,033,646.74/101,307.10
  6. Step 6: Final answer
    x = 134,788.52

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.