Home / 106,885.02-147,478.35-64,442.64

Finding the Fourth Proportional to 106,885.02, 147,478.35 and 64,442.64

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Solution

The fourth proportional to 106,885.02, 147,478.35 and 64,442.64 is: 88,916.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,885.02 : 147,478.35 = 64,442.64 : x
  2. Step 2: Convert to fraction form
    106,885.02/147,478.35 = 64,442.64/x
  3. Step 3: Cross multiply
    106,885.02x = 147,478.35 × 64,442.64
  4. Step 4: Simplify right side
    106,885.02x = 9,503,894,216.84
  5. Step 5: Solve for x
    x = 9,503,894,216.84/106,885.02
  6. Step 6: Final answer
    x = 88,916.99

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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.