Home / 205,066.10-307,599.15-64,867.70

Finding the Fourth Proportional to 205,066.10, 307,599.15 and 64,867.70

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Solution

The fourth proportional to 205,066.10, 307,599.15 and 64,867.70 is: 97,301.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,066.10 : 307,599.15 = 64,867.70 : x
  2. Step 2: Convert to fraction form
    205,066.10/307,599.15 = 64,867.70/x
  3. Step 3: Cross multiply
    205,066.10x = 307,599.15 × 64,867.70
  4. Step 4: Simplify right side
    205,066.10x = 19,953,249,382.46
  5. Step 5: Solve for x
    x = 19,953,249,382.46/205,066.10
  6. Step 6: Final answer
    x = 97,301.55

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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.