Home / 155,630.23-233,518.23-76,701.40

Finding the Fourth Proportional to 155,630.23, 233,518.23 and 76,701.40

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Solution

The fourth proportional to 155,630.23, 233,518.23 and 76,701.40 is: 115,088.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,630.23 : 233,518.23 = 76,701.40 : x
  2. Step 2: Convert to fraction form
    155,630.23/233,518.23 = 76,701.40/x
  3. Step 3: Cross multiply
    155,630.23x = 233,518.23 × 76,701.40
  4. Step 4: Simplify right side
    155,630.23x = 17,911,175,166.52
  5. Step 5: Solve for x
    x = 17,911,175,166.52/155,630.23
  6. Step 6: Final answer
    x = 115,088.02

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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.