Home / 180,381.47-248,923.95-99,807.53

Finding the Fourth Proportional to 180,381.47, 248,923.95 and 99,807.53

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Solution

The fourth proportional to 180,381.47, 248,923.95 and 99,807.53 is: 137,733.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,381.47 : 248,923.95 = 99,807.53 : x
  2. Step 2: Convert to fraction form
    180,381.47/248,923.95 = 99,807.53/x
  3. Step 3: Cross multiply
    180,381.47x = 248,923.95 × 99,807.53
  4. Step 4: Simplify right side
    180,381.47x = 24,844,484,607.34
  5. Step 5: Solve for x
    x = 24,844,484,607.34/180,381.47
  6. Step 6: Final answer
    x = 137,733.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.