Home / 153,477.21-211,886.34-101,864.30

Finding the Fourth Proportional to 153,477.21, 211,886.34 and 101,864.30

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Solution

The fourth proportional to 153,477.21, 211,886.34 and 101,864.30 is: 140,631.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,477.21 : 211,886.34 = 101,864.30 : x
  2. Step 2: Convert to fraction form
    153,477.21/211,886.34 = 101,864.30/x
  3. Step 3: Cross multiply
    153,477.21x = 211,886.34 × 101,864.30
  4. Step 4: Simplify right side
    153,477.21x = 21,583,654,233.38
  5. Step 5: Solve for x
    x = 21,583,654,233.38/153,477.21
  6. Step 6: Final answer
    x = 140,631.00

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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.