Home / 248,356.87-372,598.18-70,864.50

Finding the Fourth Proportional to 248,356.87, 372,598.18 and 70,864.50

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Solution

The fourth proportional to 248,356.87, 372,598.18 and 70,864.50 is: 106,314.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,356.87 : 372,598.18 = 70,864.50 : x
  2. Step 2: Convert to fraction form
    248,356.87/372,598.18 = 70,864.50/x
  3. Step 3: Cross multiply
    248,356.87x = 372,598.18 × 70,864.50
  4. Step 4: Simplify right side
    248,356.87x = 26,403,984,946.69
  5. Step 5: Solve for x
    x = 26,403,984,946.69/248,356.87
  6. Step 6: Final answer
    x = 106,314.70

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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.