Home / 221,269.32-305,400.01-140,681.10

Finding the Fourth Proportional to 221,269.32, 305,400.01 and 140,681.10

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Solution

The fourth proportional to 221,269.32, 305,400.01 and 140,681.10 is: 194,170.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,269.32 : 305,400.01 = 140,681.10 : x
  2. Step 2: Convert to fraction form
    221,269.32/305,400.01 = 140,681.10/x
  3. Step 3: Cross multiply
    221,269.32x = 305,400.01 × 140,681.10
  4. Step 4: Simplify right side
    221,269.32x = 42,964,009,346.81
  5. Step 5: Solve for x
    x = 42,964,009,346.81/221,269.32
  6. Step 6: Final answer
    x = 194,170.66

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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.