Home / 153,011.04-211,096.24-112,820.16

Finding the Fourth Proportional to 153,011.04, 211,096.24 and 112,820.16

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Solution

The fourth proportional to 153,011.04, 211,096.24 and 112,820.16 is: 155,648.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,011.04 : 211,096.24 = 112,820.16 : x
  2. Step 2: Convert to fraction form
    153,011.04/211,096.24 = 112,820.16/x
  3. Step 3: Cross multiply
    153,011.04x = 211,096.24 × 112,820.16
  4. Step 4: Simplify right side
    153,011.04x = 23,815,911,572.20
  5. Step 5: Solve for x
    x = 23,815,911,572.20/153,011.04
  6. Step 6: Final answer
    x = 155,648.32

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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.