Home / 175,434.48-242,210.24-121,700.72

Finding the Fourth Proportional to 175,434.48, 242,210.24 and 121,700.72

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Solution

The fourth proportional to 175,434.48, 242,210.24 and 121,700.72 is: 168,023.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,434.48 : 242,210.24 = 121,700.72 : x
  2. Step 2: Convert to fraction form
    175,434.48/242,210.24 = 121,700.72/x
  3. Step 3: Cross multiply
    175,434.48x = 242,210.24 × 121,700.72
  4. Step 4: Simplify right side
    175,434.48x = 29,477,160,599.37
  5. Step 5: Solve for x
    x = 29,477,160,599.37/175,434.48
  6. Step 6: Final answer
    x = 168,023.76

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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.