Home / 423,225.27-634,886.09-153,480.51

Finding the Fourth Proportional to 423,225.27, 634,886.09 and 153,480.51

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Solution

The fourth proportional to 423,225.27, 634,886.09 and 153,480.51 is: 230,238.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,225.27 : 634,886.09 = 153,480.51 : x
  2. Step 2: Convert to fraction form
    423,225.27/634,886.09 = 153,480.51/x
  3. Step 3: Cross multiply
    423,225.27x = 634,886.09 × 153,480.51
  4. Step 4: Simplify right side
    423,225.27x = 97,442,640,117.70
  5. Step 5: Solve for x
    x = 97,442,640,117.70/423,225.27
  6. Step 6: Final answer
    x = 230,238.24

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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.