Home / 122,117.40-183,176.10-43,239.60

Finding the Fourth Proportional to 122,117.40, 183,176.10 and 43,239.60

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Solution

The fourth proportional to 122,117.40, 183,176.10 and 43,239.60 is: 64,859.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,117.40 : 183,176.10 = 43,239.60 : x
  2. Step 2: Convert to fraction form
    122,117.40/183,176.10 = 43,239.60/x
  3. Step 3: Cross multiply
    122,117.40x = 183,176.10 × 43,239.60
  4. Step 4: Simplify right side
    122,117.40x = 7,920,461,293.56
  5. Step 5: Solve for x
    x = 7,920,461,293.56/122,117.40
  6. Step 6: Final answer
    x = 64,859.40

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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.