Home / 612,948.06-919,418.73-157,538.94

Finding the Fourth Proportional to 612,948.06, 919,418.73 and 157,538.94

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Solution

The fourth proportional to 612,948.06, 919,418.73 and 157,538.94 is: 236,307.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,948.06 : 919,418.73 = 157,538.94 : x
  2. Step 2: Convert to fraction form
    612,948.06/919,418.73 = 157,538.94/x
  3. Step 3: Cross multiply
    612,948.06x = 919,418.73 × 157,538.94
  4. Step 4: Simplify right side
    612,948.06x = 144,844,252,140.35
  5. Step 5: Solve for x
    x = 144,844,252,140.35/612,948.06
  6. Step 6: Final answer
    x = 236,307.55

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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.