Home / 223,666.48-308,677.53-128,182.06

Finding the Fourth Proportional to 223,666.48, 308,677.53 and 128,182.06

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Solution

The fourth proportional to 223,666.48, 308,677.53 and 128,182.06 is: 176,901.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,666.48 : 308,677.53 = 128,182.06 : x
  2. Step 2: Convert to fraction form
    223,666.48/308,677.53 = 128,182.06/x
  3. Step 3: Cross multiply
    223,666.48x = 308,677.53 × 128,182.06
  4. Step 4: Simplify right side
    223,666.48x = 39,566,921,671.11
  5. Step 5: Solve for x
    x = 39,566,921,671.11/223,666.48
  6. Step 6: Final answer
    x = 176,901.44

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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.