Home / 123,885.02-170,975.67-116,284.79

Finding the Fourth Proportional to 123,885.02, 170,975.67 and 116,284.79

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Solution

The fourth proportional to 123,885.02, 170,975.67 and 116,284.79 is: 160,486.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,885.02 : 170,975.67 = 116,284.79 : x
  2. Step 2: Convert to fraction form
    123,885.02/170,975.67 = 116,284.79/x
  3. Step 3: Cross multiply
    123,885.02x = 170,975.67 × 116,284.79
  4. Step 4: Simplify right side
    123,885.02x = 19,881,869,881.06
  5. Step 5: Solve for x
    x = 19,881,869,881.06/123,885.02
  6. Step 6: Final answer
    x = 160,486.47

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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.