Home / 393,926.08-590,925.12-157,211.20

Finding the Fourth Proportional to 393,926.08, 590,925.12 and 157,211.20

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Solution

The fourth proportional to 393,926.08, 590,925.12 and 157,211.20 is: 235,831.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,926.08 : 590,925.12 = 157,211.20 : x
  2. Step 2: Convert to fraction form
    393,926.08/590,925.12 = 157,211.20/x
  3. Step 3: Cross multiply
    393,926.08x = 590,925.12 × 157,211.20
  4. Step 4: Simplify right side
    393,926.08x = 92,900,047,225.34
  5. Step 5: Solve for x
    x = 92,900,047,225.34/393,926.08
  6. Step 6: Final answer
    x = 235,831.17

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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.