Home / 157,492.12-236,071.08-77,417.17

Finding the Fourth Proportional to 157,492.12, 236,071.08 and 77,417.17

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Solution

The fourth proportional to 157,492.12, 236,071.08 and 77,417.17 is: 116,043.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,492.12 : 236,071.08 = 77,417.17 : x
  2. Step 2: Convert to fraction form
    157,492.12/236,071.08 = 77,417.17/x
  3. Step 3: Cross multiply
    157,492.12x = 236,071.08 × 77,417.17
  4. Step 4: Simplify right side
    157,492.12x = 18,275,954,560.00
  5. Step 5: Solve for x
    x = 18,275,954,560.00/157,492.12
  6. Step 6: Final answer
    x = 116,043.61

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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.