Home / 122,077.50-183,117.40-43,205.10

Finding the Fourth Proportional to 122,077.50, 183,117.40 and 43,205.10

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Solution

The fourth proportional to 122,077.50, 183,117.40 and 43,205.10 is: 64,808.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,077.50 : 183,117.40 = 43,205.10 : x
  2. Step 2: Convert to fraction form
    122,077.50/183,117.40 = 43,205.10/x
  3. Step 3: Cross multiply
    122,077.50x = 183,117.40 × 43,205.10
  4. Step 4: Simplify right side
    122,077.50x = 7,911,605,578.74
  5. Step 5: Solve for x
    x = 7,911,605,578.74/122,077.50
  6. Step 6: Final answer
    x = 64,808.06

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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.