Home / 255,022.40-384,443.60-237,895.76

Finding the Fourth Proportional to 255,022.40, 384,443.60 and 237,895.76

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Solution

The fourth proportional to 255,022.40, 384,443.60 and 237,895.76 is: 358,625.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,022.40 : 384,443.60 = 237,895.76 : x
  2. Step 2: Convert to fraction form
    255,022.40/384,443.60 = 237,895.76/x
  3. Step 3: Cross multiply
    255,022.40x = 384,443.60 × 237,895.76
  4. Step 4: Simplify right side
    255,022.40x = 91,457,502,399.14
  5. Step 5: Solve for x
    x = 91,457,502,399.14/255,022.40
  6. Step 6: Final answer
    x = 358,625.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.