Home / 210,258.10-315,435.45-60,499.63

Finding the Fourth Proportional to 210,258.10, 315,435.45 and 60,499.63

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Solution

The fourth proportional to 210,258.10, 315,435.45 and 60,499.63 is: 90,763.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,258.10 : 315,435.45 = 60,499.63 : x
  2. Step 2: Convert to fraction form
    210,258.10/315,435.45 = 60,499.63/x
  3. Step 3: Cross multiply
    210,258.10x = 315,435.45 × 60,499.63
  4. Step 4: Simplify right side
    210,258.10x = 19,083,727,711.39
  5. Step 5: Solve for x
    x = 19,083,727,711.39/210,258.10
  6. Step 6: Final answer
    x = 90,763.34

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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.