Home / 159,052.16-219,492.44-91,070.21

Finding the Fourth Proportional to 159,052.16, 219,492.44 and 91,070.21

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Solution

The fourth proportional to 159,052.16, 219,492.44 and 91,070.21 is: 125,677.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,052.16 : 219,492.44 = 91,070.21 : x
  2. Step 2: Convert to fraction form
    159,052.16/219,492.44 = 91,070.21/x
  3. Step 3: Cross multiply
    159,052.16x = 219,492.44 × 91,070.21
  4. Step 4: Simplify right side
    159,052.16x = 19,989,221,051.40
  5. Step 5: Solve for x
    x = 19,989,221,051.40/159,052.16
  6. Step 6: Final answer
    x = 125,677.15

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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.