Home / 98,534.80-147,802.20-93,091.60

Finding the Fourth Proportional to 98,534.80, 147,802.20 and 93,091.60

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Solution

The fourth proportional to 98,534.80, 147,802.20 and 93,091.60 is: 139,637.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,534.80 : 147,802.20 = 93,091.60 : x
  2. Step 2: Convert to fraction form
    98,534.80/147,802.20 = 93,091.60/x
  3. Step 3: Cross multiply
    98,534.80x = 147,802.20 × 93,091.60
  4. Step 4: Simplify right side
    98,534.80x = 13,759,143,281.52
  5. Step 5: Solve for x
    x = 13,759,143,281.52/98,534.80
  6. Step 6: Final answer
    x = 139,637.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.