Home / 107,353.56-160,307.43-87,671.16

Finding the Fourth Proportional to 107,353.56, 160,307.43 and 87,671.16

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Solution

The fourth proportional to 107,353.56, 160,307.43 and 87,671.16 is: 130,916.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,353.56 : 160,307.43 = 87,671.16 : x
  2. Step 2: Convert to fraction form
    107,353.56/160,307.43 = 87,671.16/x
  3. Step 3: Cross multiply
    107,353.56x = 160,307.43 × 87,671.16
  4. Step 4: Simplify right side
    107,353.56x = 14,054,338,344.72
  5. Step 5: Solve for x
    x = 14,054,338,344.72/107,353.56
  6. Step 6: Final answer
    x = 130,916.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.