Home / 186,461.16-257,316.37-101,578.22

Finding the Fourth Proportional to 186,461.16, 257,316.37 and 101,578.22

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Solution

The fourth proportional to 186,461.16, 257,316.37 and 101,578.22 is: 140,177.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,461.16 : 257,316.37 = 101,578.22 : x
  2. Step 2: Convert to fraction form
    186,461.16/257,316.37 = 101,578.22/x
  3. Step 3: Cross multiply
    186,461.16x = 257,316.37 × 101,578.22
  4. Step 4: Simplify right side
    186,461.16x = 26,137,739,230.81
  5. Step 5: Solve for x
    x = 26,137,739,230.81/186,461.16
  6. Step 6: Final answer
    x = 140,177.93

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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.