Home / 186,278.48-279,333.65-53,127.08

Finding the Fourth Proportional to 186,278.48, 279,333.65 and 53,127.08

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Solution

The fourth proportional to 186,278.48, 279,333.65 and 53,127.08 is: 79,666.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,278.48 : 279,333.65 = 53,127.08 : x
  2. Step 2: Convert to fraction form
    186,278.48/279,333.65 = 53,127.08/x
  3. Step 3: Cross multiply
    186,278.48x = 279,333.65 × 53,127.08
  4. Step 4: Simplify right side
    186,278.48x = 14,840,181,802.17
  5. Step 5: Solve for x
    x = 14,840,181,802.17/186,278.48
  6. Step 6: Final answer
    x = 79,666.65

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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.