Home / 302,780.06-417,834.54-166,810.86

Finding the Fourth Proportional to 302,780.06, 417,834.54 and 166,810.86

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Solution

The fourth proportional to 302,780.06, 417,834.54 and 166,810.86 is: 230,197.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,780.06 : 417,834.54 = 166,810.86 : x
  2. Step 2: Convert to fraction form
    302,780.06/417,834.54 = 166,810.86/x
  3. Step 3: Cross multiply
    302,780.06x = 417,834.54 × 166,810.86
  4. Step 4: Simplify right side
    302,780.06x = 69,699,338,955.10
  5. Step 5: Solve for x
    x = 69,699,338,955.10/302,780.06
  6. Step 6: Final answer
    x = 230,197.92

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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.