Home / 191,220.04-286,960.74-66,561.04

Finding the Fourth Proportional to 191,220.04, 286,960.74 and 66,561.04

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Solution

The fourth proportional to 191,220.04, 286,960.74 and 66,561.04 is: 99,887.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,220.04 : 286,960.74 = 66,561.04 : x
  2. Step 2: Convert to fraction form
    191,220.04/286,960.74 = 66,561.04/x
  3. Step 3: Cross multiply
    191,220.04x = 286,960.74 × 66,561.04
  4. Step 4: Simplify right side
    191,220.04x = 19,100,405,293.57
  5. Step 5: Solve for x
    x = 19,100,405,293.57/191,220.04
  6. Step 6: Final answer
    x = 99,887.05

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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.