Home / 315,130.21-472,695.07-93,514.21

Finding the Fourth Proportional to 315,130.21, 472,695.07 and 93,514.21

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Solution

The fourth proportional to 315,130.21, 472,695.07 and 93,514.21 is: 140,271.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,130.21 : 472,695.07 = 93,514.21 : x
  2. Step 2: Convert to fraction form
    315,130.21/472,695.07 = 93,514.21/x
  3. Step 3: Cross multiply
    315,130.21x = 472,695.07 × 93,514.21
  4. Step 4: Simplify right side
    315,130.21x = 44,203,706,041.94
  5. Step 5: Solve for x
    x = 44,203,706,041.94/315,130.21
  6. Step 6: Final answer
    x = 140,271.24

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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.