Home / 210,657.16-290,711.46-125,758.36

Finding the Fourth Proportional to 210,657.16, 290,711.46 and 125,758.36

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Solution

The fourth proportional to 210,657.16, 290,711.46 and 125,758.36 is: 173,549.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,657.16 : 290,711.46 = 125,758.36 : x
  2. Step 2: Convert to fraction form
    210,657.16/290,711.46 = 125,758.36/x
  3. Step 3: Cross multiply
    210,657.16x = 290,711.46 × 125,758.36
  4. Step 4: Simplify right side
    210,657.16x = 36,559,396,442.81
  5. Step 5: Solve for x
    x = 36,559,396,442.81/210,657.16
  6. Step 6: Final answer
    x = 173,549.27

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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.