Home / 115,334.04-173,132.28-77,411.46

Finding the Fourth Proportional to 115,334.04, 173,132.28 and 77,411.46

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Solution

The fourth proportional to 115,334.04, 173,132.28 and 77,411.46 is: 116,205.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,334.04 : 173,132.28 = 77,411.46 : x
  2. Step 2: Convert to fraction form
    115,334.04/173,132.28 = 77,411.46/x
  3. Step 3: Cross multiply
    115,334.04x = 173,132.28 × 77,411.46
  4. Step 4: Simplify right side
    115,334.04x = 13,402,422,567.93
  5. Step 5: Solve for x
    x = 13,402,422,567.93/115,334.04
  6. Step 6: Final answer
    x = 116,205.26

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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.