Home / 207,436.95-286,278.30-116,802.81

Finding the Fourth Proportional to 207,436.95, 286,278.30 and 116,802.81

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Solution

The fourth proportional to 207,436.95, 286,278.30 and 116,802.81 is: 161,196.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,436.95 : 286,278.30 = 116,802.81 : x
  2. Step 2: Convert to fraction form
    207,436.95/286,278.30 = 116,802.81/x
  3. Step 3: Cross multiply
    207,436.95x = 286,278.30 × 116,802.81
  4. Step 4: Simplify right side
    207,436.95x = 33,438,109,882.02
  5. Step 5: Solve for x
    x = 33,438,109,882.02/207,436.95
  6. Step 6: Final answer
    x = 161,196.50

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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.