Home / 148,117.05-204,396.47-84,475.35

Finding the Fourth Proportional to 148,117.05, 204,396.47 and 84,475.35

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Solution

The fourth proportional to 148,117.05, 204,396.47 and 84,475.35 is: 116,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,117.05 : 204,396.47 = 84,475.35 : x
  2. Step 2: Convert to fraction form
    148,117.05/204,396.47 = 84,475.35/x
  3. Step 3: Cross multiply
    148,117.05x = 204,396.47 × 84,475.35
  4. Step 4: Simplify right side
    148,117.05x = 17,266,464,094.84
  5. Step 5: Solve for x
    x = 17,266,464,094.84/148,117.05
  6. Step 6: Final answer
    x = 116,573.10

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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.