Home / 243,868.32-336,551.36-136,431.95

Finding the Fourth Proportional to 243,868.32, 336,551.36 and 136,431.95

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Solution

The fourth proportional to 243,868.32, 336,551.36 and 136,431.95 is: 188,283.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,868.32 : 336,551.36 = 136,431.95 : x
  2. Step 2: Convert to fraction form
    243,868.32/336,551.36 = 136,431.95/x
  3. Step 3: Cross multiply
    243,868.32x = 336,551.36 × 136,431.95
  4. Step 4: Simplify right side
    243,868.32x = 45,916,355,955.04
  5. Step 5: Solve for x
    x = 45,916,355,955.04/243,868.32
  6. Step 6: Final answer
    x = 188,283.40

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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.