Home / 148,823.03-205,429.70-98,538.23

Finding the Fourth Proportional to 148,823.03, 205,429.70 and 98,538.23

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Solution

The fourth proportional to 148,823.03, 205,429.70 and 98,538.23 is: 136,018.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,823.03 : 205,429.70 = 98,538.23 : x
  2. Step 2: Convert to fraction form
    148,823.03/205,429.70 = 98,538.23/x
  3. Step 3: Cross multiply
    148,823.03x = 205,429.70 × 98,538.23
  4. Step 4: Simplify right side
    148,823.03x = 20,242,678,534.74
  5. Step 5: Solve for x
    x = 20,242,678,534.74/148,823.03
  6. Step 6: Final answer
    x = 136,018.45

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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.