Home / 304,920.15-457,452.87-105,242.25

Finding the Fourth Proportional to 304,920.15, 457,452.87 and 105,242.25

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Solution

The fourth proportional to 304,920.15, 457,452.87 and 105,242.25 is: 157,888.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,920.15 : 457,452.87 = 105,242.25 : x
  2. Step 2: Convert to fraction form
    304,920.15/457,452.87 = 105,242.25/x
  3. Step 3: Cross multiply
    304,920.15x = 457,452.87 × 105,242.25
  4. Step 4: Simplify right side
    304,920.15x = 48,143,369,307.76
  5. Step 5: Solve for x
    x = 48,143,369,307.76/304,920.15
  6. Step 6: Final answer
    x = 157,888.45

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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.