Home / 240,547.77-331,956.80-130,166.42

Finding the Fourth Proportional to 240,547.77, 331,956.80 and 130,166.42

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Solution

The fourth proportional to 240,547.77, 331,956.80 and 130,166.42 is: 179,630.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,547.77 : 331,956.80 = 130,166.42 : x
  2. Step 2: Convert to fraction form
    240,547.77/331,956.80 = 130,166.42/x
  3. Step 3: Cross multiply
    240,547.77x = 331,956.80 × 130,166.42
  4. Step 4: Simplify right side
    240,547.77x = 43,209,626,916.29
  5. Step 5: Solve for x
    x = 43,209,626,916.29/240,547.77
  6. Step 6: Final answer
    x = 179,630.13

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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.