Home / 213,085.40-319,628.10-175,031.60

Finding the Fourth Proportional to 213,085.40, 319,628.10 and 175,031.60

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Solution

The fourth proportional to 213,085.40, 319,628.10 and 175,031.60 is: 262,547.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,085.40 : 319,628.10 = 175,031.60 : x
  2. Step 2: Convert to fraction form
    213,085.40/319,628.10 = 175,031.60/x
  3. Step 3: Cross multiply
    213,085.40x = 319,628.10 × 175,031.60
  4. Step 4: Simplify right side
    213,085.40x = 55,945,017,747.96
  5. Step 5: Solve for x
    x = 55,945,017,747.96/213,085.40
  6. Step 6: Final answer
    x = 262,547.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.