Home / 314,031.18-433,210.46-186,616.56

Finding the Fourth Proportional to 314,031.18, 433,210.46 and 186,616.56

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Solution

The fourth proportional to 314,031.18, 433,210.46 and 186,616.56 is: 257,440.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,031.18 : 433,210.46 = 186,616.56 : x
  2. Step 2: Convert to fraction form
    314,031.18/433,210.46 = 186,616.56/x
  3. Step 3: Cross multiply
    314,031.18x = 433,210.46 × 186,616.56
  4. Step 4: Simplify right side
    314,031.18x = 80,844,245,801.22
  5. Step 5: Solve for x
    x = 80,844,245,801.22/314,031.18
  6. Step 6: Final answer
    x = 257,440.19

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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.