Home / 141,888.16-195,807.02-78,228.24

Finding the Fourth Proportional to 141,888.16, 195,807.02 and 78,228.24

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Solution

The fourth proportional to 141,888.16, 195,807.02 and 78,228.24 is: 107,955.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,888.16 : 195,807.02 = 78,228.24 : x
  2. Step 2: Convert to fraction form
    141,888.16/195,807.02 = 78,228.24/x
  3. Step 3: Cross multiply
    141,888.16x = 195,807.02 × 78,228.24
  4. Step 4: Simplify right side
    141,888.16x = 15,317,638,554.24
  5. Step 5: Solve for x
    x = 15,317,638,554.24/141,888.16
  6. Step 6: Final answer
    x = 107,955.72

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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.