Home / 289,248.51-433,706.64-154,146.26

Finding the Fourth Proportional to 289,248.51, 433,706.64 and 154,146.26

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Solution

The fourth proportional to 289,248.51, 433,706.64 and 154,146.26 is: 231,130.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,248.51 : 433,706.64 = 154,146.26 : x
  2. Step 2: Convert to fraction form
    289,248.51/433,706.64 = 154,146.26/x
  3. Step 3: Cross multiply
    289,248.51x = 433,706.64 × 154,146.26
  4. Step 4: Simplify right side
    289,248.51x = 66,854,254,324.63
  5. Step 5: Solve for x
    x = 66,854,254,324.63/289,248.51
  6. Step 6: Final answer
    x = 231,130.85

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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.