Home / 186,300.21-257,094.33-101,417.25

Finding the Fourth Proportional to 186,300.21, 257,094.33 and 101,417.25

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Solution

The fourth proportional to 186,300.21, 257,094.33 and 101,417.25 is: 139,955.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,300.21 : 257,094.33 = 101,417.25 : x
  2. Step 2: Convert to fraction form
    186,300.21/257,094.33 = 101,417.25/x
  3. Step 3: Cross multiply
    186,300.21x = 257,094.33 × 101,417.25
  4. Step 4: Simplify right side
    186,300.21x = 26,073,799,939.19
  5. Step 5: Solve for x
    x = 26,073,799,939.19/186,300.21
  6. Step 6: Final answer
    x = 139,955.83

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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.