Home / 331,663.51-497,339.72-121,154.23

Finding the Fourth Proportional to 331,663.51, 497,339.72 and 121,154.23

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Solution

The fourth proportional to 331,663.51, 497,339.72 and 121,154.23 is: 181,674.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,663.51 : 497,339.72 = 121,154.23 : x
  2. Step 2: Convert to fraction form
    331,663.51/497,339.72 = 121,154.23/x
  3. Step 3: Cross multiply
    331,663.51x = 497,339.72 × 121,154.23
  4. Step 4: Simplify right side
    331,663.51x = 60,254,810,219.24
  5. Step 5: Solve for x
    x = 60,254,810,219.24/331,663.51
  6. Step 6: Final answer
    x = 181,674.52

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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.