Home / 207,085.20-310,631.68-64,927.32

Finding the Fourth Proportional to 207,085.20, 310,631.68 and 64,927.32

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Solution

The fourth proportional to 207,085.20, 310,631.68 and 64,927.32 is: 97,392.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,085.20 : 310,631.68 = 64,927.32 : x
  2. Step 2: Convert to fraction form
    207,085.20/310,631.68 = 64,927.32/x
  3. Step 3: Cross multiply
    207,085.20x = 310,631.68 × 64,927.32
  4. Step 4: Simplify right side
    207,085.20x = 20,168,482,489.50
  5. Step 5: Solve for x
    x = 20,168,482,489.50/207,085.20
  6. Step 6: Final answer
    x = 97,392.20

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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.