Home / 122,256.47-168,713.81-68,541.50

Finding the Fourth Proportional to 122,256.47, 168,713.81 and 68,541.50

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Solution

The fourth proportional to 122,256.47, 168,713.81 and 68,541.50 is: 94,587.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,256.47 : 168,713.81 = 68,541.50 : x
  2. Step 2: Convert to fraction form
    122,256.47/168,713.81 = 68,541.50/x
  3. Step 3: Cross multiply
    122,256.47x = 168,713.81 × 68,541.50
  4. Step 4: Simplify right side
    122,256.47x = 11,563,896,421.84
  5. Step 5: Solve for x
    x = 11,563,896,421.84/122,256.47
  6. Step 6: Final answer
    x = 94,587.20

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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.