Home / 211,495.57-291,933.67-189,075.40

Finding the Fourth Proportional to 211,495.57, 291,933.67 and 189,075.40

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Solution

The fourth proportional to 211,495.57, 291,933.67 and 189,075.40 is: 260,986.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,495.57 : 291,933.67 = 189,075.40 : x
  2. Step 2: Convert to fraction form
    211,495.57/291,933.67 = 189,075.40/x
  3. Step 3: Cross multiply
    211,495.57x = 291,933.67 × 189,075.40
  4. Step 4: Simplify right side
    211,495.57x = 55,197,475,428.72
  5. Step 5: Solve for x
    x = 55,197,475,428.72/211,495.57
  6. Step 6: Final answer
    x = 260,986.44

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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.