Home / 102,256.56-153,421.74-35,706.51

Finding the Fourth Proportional to 102,256.56, 153,421.74 and 35,706.51

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Solution

The fourth proportional to 102,256.56, 153,421.74 and 35,706.51 is: 53,572.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,256.56 : 153,421.74 = 35,706.51 : x
  2. Step 2: Convert to fraction form
    102,256.56/153,421.74 = 35,706.51/x
  3. Step 3: Cross multiply
    102,256.56x = 153,421.74 × 35,706.51
  4. Step 4: Simplify right side
    102,256.56x = 5,478,154,893.53
  5. Step 5: Solve for x
    x = 5,478,154,893.53/102,256.56
  6. Step 6: Final answer
    x = 53,572.65

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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.