Home / 151,118.02-208,534.63-83,124.02

Finding the Fourth Proportional to 151,118.02, 208,534.63 and 83,124.02

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Solution

The fourth proportional to 151,118.02, 208,534.63 and 83,124.02 is: 114,706.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,118.02 : 208,534.63 = 83,124.02 : x
  2. Step 2: Convert to fraction form
    151,118.02/208,534.63 = 83,124.02/x
  3. Step 3: Cross multiply
    151,118.02x = 208,534.63 × 83,124.02
  4. Step 4: Simplify right side
    151,118.02x = 17,334,236,754.81
  5. Step 5: Solve for x
    x = 17,334,236,754.81/151,118.02
  6. Step 6: Final answer
    x = 114,706.62

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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.