Home / 152,049.02-209,827.12-84,981.02

Finding the Fourth Proportional to 152,049.02, 209,827.12 and 84,981.02

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Solution

The fourth proportional to 152,049.02, 209,827.12 and 84,981.02 is: 117,273.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,049.02 : 209,827.12 = 84,981.02 : x
  2. Step 2: Convert to fraction form
    152,049.02/209,827.12 = 84,981.02/x
  3. Step 3: Cross multiply
    152,049.02x = 209,827.12 × 84,981.02
  4. Step 4: Simplify right side
    152,049.02x = 17,831,322,681.26
  5. Step 5: Solve for x
    x = 17,831,322,681.26/152,049.02
  6. Step 6: Final answer
    x = 117,273.51

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1.5x scale

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.