Home / 191,219.04-286,959.24-66,560.04

Finding the Fourth Proportional to 191,219.04, 286,959.24 and 66,560.04

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Solution

The fourth proportional to 191,219.04, 286,959.24 and 66,560.04 is: 99,885.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,219.04 : 286,959.24 = 66,560.04 : x
  2. Step 2: Convert to fraction form
    191,219.04/286,959.24 = 66,560.04/x
  3. Step 3: Cross multiply
    191,219.04x = 286,959.24 × 66,560.04
  4. Step 4: Simplify right side
    191,219.04x = 19,100,018,492.77
  5. Step 5: Solve for x
    x = 19,100,018,492.77/191,219.04
  6. Step 6: Final answer
    x = 99,885.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.