Home / 223,071.08-307,894.92-127,607.72

Finding the Fourth Proportional to 223,071.08, 307,894.92 and 127,607.72

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Solution

The fourth proportional to 223,071.08, 307,894.92 and 127,607.72 is: 176,131.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,071.08 : 307,894.92 = 127,607.72 : x
  2. Step 2: Convert to fraction form
    223,071.08/307,894.92 = 127,607.72/x
  3. Step 3: Cross multiply
    223,071.08x = 307,894.92 × 127,607.72
  4. Step 4: Simplify right side
    223,071.08x = 39,289,768,740.78
  5. Step 5: Solve for x
    x = 39,289,768,740.78/223,071.08
  6. Step 6: Final answer
    x = 176,131.16

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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.