Home / 186,142.15-279,328.65-97,459.30

Finding the Fourth Proportional to 186,142.15, 279,328.65 and 97,459.30

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Solution

The fourth proportional to 186,142.15, 279,328.65 and 97,459.30 is: 146,249.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,142.15 : 279,328.65 = 97,459.30 : x
  2. Step 2: Convert to fraction form
    186,142.15/279,328.65 = 97,459.30/x
  3. Step 3: Cross multiply
    186,142.15x = 279,328.65 × 97,459.30
  4. Step 4: Simplify right side
    186,142.15x = 27,223,174,698.95
  5. Step 5: Solve for x
    x = 27,223,174,698.95/186,142.15
  6. Step 6: Final answer
    x = 146,249.38

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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.