Home / 112,172.94-154,798.77-64,435.52

Finding the Fourth Proportional to 112,172.94, 154,798.77 and 64,435.52

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Solution

The fourth proportional to 112,172.94, 154,798.77 and 64,435.52 is: 88,921.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,172.94 : 154,798.77 = 64,435.52 : x
  2. Step 2: Convert to fraction form
    112,172.94/154,798.77 = 64,435.52/x
  3. Step 3: Cross multiply
    112,172.94x = 154,798.77 × 64,435.52
  4. Step 4: Simplify right side
    112,172.94x = 9,974,538,466.32
  5. Step 5: Solve for x
    x = 9,974,538,466.32/112,172.94
  6. Step 6: Final answer
    x = 88,921.08

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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.