Home / 186,455.52-257,309.06-101,570.76

Finding the Fourth Proportional to 186,455.52, 257,309.06 and 101,570.76

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Solution

The fourth proportional to 186,455.52, 257,309.06 and 101,570.76 is: 140,167.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,455.52 : 257,309.06 = 101,570.76 : x
  2. Step 2: Convert to fraction form
    186,455.52/257,309.06 = 101,570.76/x
  3. Step 3: Cross multiply
    186,455.52x = 257,309.06 × 101,570.76
  4. Step 4: Simplify right side
    186,455.52x = 26,135,076,271.23
  5. Step 5: Solve for x
    x = 26,135,076,271.23/186,455.52
  6. Step 6: Final answer
    x = 140,167.89

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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.