Home / 141,156.16-194,794-77,492.32

Finding the Fourth Proportional to 141,156.16, 194,794 and 77,492.32

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Solution

The fourth proportional to 141,156.16, 194,794 and 77,492.32 is: 106,938.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,156.16 : 194,794 = 77,492.32 : x
  2. Step 2: Convert to fraction form
    141,156.16/194,794 = 77,492.32/x
  3. Step 3: Cross multiply
    141,156.16x = 194,794 × 77,492.32
  4. Step 4: Simplify right side
    141,156.16x = 15,095,038,982.08
  5. Step 5: Solve for x
    x = 15,095,038,982.08/141,156.16
  6. Step 6: Final answer
    x = 106,938.58

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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.