Home / 112,055.36-154,626.78-64,307.66

Finding the Fourth Proportional to 112,055.36, 154,626.78 and 64,307.66

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Solution

The fourth proportional to 112,055.36, 154,626.78 and 64,307.66 is: 88,739.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,055.36 : 154,626.78 = 64,307.66 : x
  2. Step 2: Convert to fraction form
    112,055.36/154,626.78 = 64,307.66/x
  3. Step 3: Cross multiply
    112,055.36x = 154,626.78 × 64,307.66
  4. Step 4: Simplify right side
    112,055.36x = 9,943,686,395.13
  5. Step 5: Solve for x
    x = 9,943,686,395.13/112,055.36
  6. Step 6: Final answer
    x = 88,739.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.