Home / 186,322.02-257,117.49-101,437.38

Finding the Fourth Proportional to 186,322.02, 257,117.49 and 101,437.38

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Solution

The fourth proportional to 186,322.02, 257,117.49 and 101,437.38 is: 139,979.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,322.02 : 257,117.49 = 101,437.38 : x
  2. Step 2: Convert to fraction form
    186,322.02/257,117.49 = 101,437.38/x
  3. Step 3: Cross multiply
    186,322.02x = 257,117.49 × 101,437.38
  4. Step 4: Simplify right side
    186,322.02x = 26,081,324,537.78
  5. Step 5: Solve for x
    x = 26,081,324,537.78/186,322.02
  6. Step 6: Final answer
    x = 139,979.83

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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.