Home / 153,636.23-212,030.63-84,739.19

Finding the Fourth Proportional to 153,636.23, 212,030.63 and 84,739.19

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Solution

The fourth proportional to 153,636.23, 212,030.63 and 84,739.19 is: 116,947.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,636.23 : 212,030.63 = 84,739.19 : x
  2. Step 2: Convert to fraction form
    153,636.23/212,030.63 = 84,739.19/x
  3. Step 3: Cross multiply
    153,636.23x = 212,030.63 × 84,739.19
  4. Step 4: Simplify right side
    153,636.23x = 17,967,303,417.69
  5. Step 5: Solve for x
    x = 17,967,303,417.69/153,636.23
  6. Step 6: Final answer
    x = 116,947.05

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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.