Home / 223,496.04-308,416.04-121,521.57

Finding the Fourth Proportional to 223,496.04, 308,416.04 and 121,521.57

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Solution

The fourth proportional to 223,496.04, 308,416.04 and 121,521.57 is: 167,695.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,496.04 : 308,416.04 = 121,521.57 : x
  2. Step 2: Convert to fraction form
    223,496.04/308,416.04 = 121,521.57/x
  3. Step 3: Cross multiply
    223,496.04x = 308,416.04 × 121,521.57
  4. Step 4: Simplify right side
    223,496.04x = 37,479,200,085.52
  5. Step 5: Solve for x
    x = 37,479,200,085.52/223,496.04
  6. Step 6: Final answer
    x = 167,695.14

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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.