Home / 312,307.04-430,983.60-169,066.97

Finding the Fourth Proportional to 312,307.04, 430,983.60 and 169,066.97

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Solution

The fourth proportional to 312,307.04, 430,983.60 and 169,066.97 is: 233,312.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,307.04 : 430,983.60 = 169,066.97 : x
  2. Step 2: Convert to fraction form
    312,307.04/430,983.60 = 169,066.97/x
  3. Step 3: Cross multiply
    312,307.04x = 430,983.60 × 169,066.97
  4. Step 4: Simplify right side
    312,307.04x = 72,865,089,216.77
  5. Step 5: Solve for x
    x = 72,865,089,216.77/312,307.04
  6. Step 6: Final answer
    x = 233,312.35

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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.