Home / 147,492.22-203,554.86-90,165.10

Finding the Fourth Proportional to 147,492.22, 203,554.86 and 90,165.10

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Solution

The fourth proportional to 147,492.22, 203,554.86 and 90,165.10 is: 124,437.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,492.22 : 203,554.86 = 90,165.10 : x
  2. Step 2: Convert to fraction form
    147,492.22/203,554.86 = 90,165.10/x
  3. Step 3: Cross multiply
    147,492.22x = 203,554.86 × 90,165.10
  4. Step 4: Simplify right side
    147,492.22x = 18,353,544,307.39
  5. Step 5: Solve for x
    x = 18,353,544,307.39/147,492.22
  6. Step 6: Final answer
    x = 124,437.37

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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.