Home / 211,237.34-291,460.10-120,564.32

Finding the Fourth Proportional to 211,237.34, 291,460.10 and 120,564.32

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Solution

The fourth proportional to 211,237.34, 291,460.10 and 120,564.32 is: 166,351.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,237.34 : 291,460.10 = 120,564.32 : x
  2. Step 2: Convert to fraction form
    211,237.34/291,460.10 = 120,564.32/x
  3. Step 3: Cross multiply
    211,237.34x = 291,460.10 × 120,564.32
  4. Step 4: Simplify right side
    211,237.34x = 35,139,688,763.63
  5. Step 5: Solve for x
    x = 35,139,688,763.63/211,237.34
  6. Step 6: Final answer
    x = 166,351.69

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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.