Home / 163,523.80-245,285.70-137,085.40

Finding the Fourth Proportional to 163,523.80, 245,285.70 and 137,085.40

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Solution

The fourth proportional to 163,523.80, 245,285.70 and 137,085.40 is: 205,628.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,523.80 : 245,285.70 = 137,085.40 : x
  2. Step 2: Convert to fraction form
    163,523.80/245,285.70 = 137,085.40/x
  3. Step 3: Cross multiply
    163,523.80x = 245,285.70 × 137,085.40
  4. Step 4: Simplify right side
    163,523.80x = 33,625,088,298.78
  5. Step 5: Solve for x
    x = 33,625,088,298.78/163,523.80
  6. Step 6: Final answer
    x = 205,628.10

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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.